Math Problem Statement

Assinale a alternativa que determina corretamente o domínio D da função ln(2−2x2−5y2) . Questão 2Escolha uma opção: a. ln(2−2x2−5y2)⇒2−2x2−5y2≥0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} b. ln(2−2x2−5y2)⇒2−2x2+5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2<2x2+5y2} c. ln(2−2x2−5y2)⇒−2−2x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} d. ln(2−2x2−5y2)⇒2−2x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2} e. ln(2−2x2−5y2)⇒2−x2−5y2>0⇒2>2x2+5y2⇒D={(x,y)| 2>2x2+5y2}

Solution

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Math Problem Analysis

Mathematical Concepts

Logarithmic Functions
Inequalities
Quadratic Expressions
Domain of a Function

Formulas

ln(f(x, y))
2 - 2x^2 - 5y^2 > 0
x^2 + (5/2)y^2 < 1

Theorems

Domain of Logarithmic Functions
Ellipse Equation

Suitable Grade Level

Undergraduate Level (Calculus or Pre-Calculus)